Combination door knob and bell.



No.l 700,408. y Patented May 20, |902.

J.,w. FREEMAN.

CMBINATION DUUR KNLIB AND BELL.

(Application led June 17, 1901.)

(No Model.)

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UNITED STATES PATENT,l OFFICE.

JOHN WESLEY FREEMAN, OF DENVER, COLORADO, ASSIGN OR OF ONE-HALF TO SILASB. A.'HAYNES, OF DENVER, COLORADO.

COMBINATION DOOR KNOB AND BELL. i

p SPECIFICATION formingpart of L etters'latent No. 700,488, 'dated May20, 1902.

` Application filed .Tune 17, 1901.

To ctZZ whom it may'concern:

Be it known thatI,l JOHN WESLEY FREE- MAN, a citizen of theUnitedStates, residing at Denver, in the county of Arapahoe andv improve theconstructionsof door-knob bells,v

more especially the manner of mounting the bell-ringing mechanism, andto enable the same to be readily applied to and removedv from adoor-knob.

The invention consists in the construction and novel combination andarrangelnent of parts hereinafter fully described, illustrated -in theaccompanyingdrawings, and pointed out in the claims hereto appended.

In the drawings, Figure l is a longitudinal sectional view of acombination door knob and bell constructed in accordance with thisinvention. Fig. 2 is an end elevation, the

outer section of the `inner knob being re-v moved. Fig. 3 is a sectionalview on theline 5 3 of Fig. 1. View of the bell-ringing mechanism.

Like numerals of reference designate cor-A responding parts in all thefigures of the drawings. v and 2 designate inner and outer door-knobs vconnected by a hollow spindle '3, through` which passes a shaft 4, whichis adapted to- -be rotated from the exterior of a door to ring the bellformed by the innei knob. The knobs are secured to the spindle byclampingscrews in the ordinary manner, and the hollow spindle ispreferably provided with a removable plate 5, forming one of its sidesand extendingits entire length to facilitate assembling and removing andconstructingthe parts; but any other form of hollow spindle may beemployed, ifdesired. The clampingscrews 6 and 7 ofthe inner and "outerknobs engage the spindle and hold the removable plate thereof inposition.

The inner knob is composed of inner and' outer sections 8 and 9, theinner section forming a bell and provided at its inner face with aprojection 10, arranged to be engaged by a Fig. 4 is a detailperspective' Y seria-i1 N.`4,919. (No man.)

pair of disks or clappers 1l, whicliare mounted on a rotary bar orhammer 12. The ,disks or clappers are provided with openings 13,receiving pins 14 of the rotary bar or hammer and retained on the saidpivots or pins by plates 15, secured to the outer ends of the latter,vas clearly illustrated in Fig. 1 of the accompanying drawings. When thebar or hammer is rotated, the disks or clappers arethrown outward bycentrifugal force and strike the projection ofheinnerbell-section of theinner knob and sound the same.l f The rotary baror hammer isrigidlysecured to a pinion 16, which meshes witha gear-Wheel 17l and the lattercarries a pinion 18,which meshes with a centrallyarranged gear-Wheel 19of theshaft 4, and when the latter is rotated by the means hereinafterjdescribed motion is 'a space for the centrally-arranged gear-Wheel 19ofthe shaft 4. The gear-wheel 17 and the is supported-by a triangularbrace 26, secured fatitsangle to the pivot or spindle 25 and jhaving itsend attached to the ends of the bracket or bar 23 by the fasteningdevices 2 7, which secure the same to the disk or plate 20. The brace 26is spaced from the bracket or bar by means of sleeves or Washers 28 tooifset it from the eccentrically-arranged gear- Wheel, which meshes withthe eccentrically- 'pinion 18 are mounted on a pivot 25, which Iarranged pinion at the outer face of the e transversely-disposed bracketor bar. The disk or plate 2O is provided with a perforation adapted toreceive a suitable tool for enabling it to be rotated to screw its stem.into and out of the threaded portion ofthe sleeve of the inner knob.The centrally-arranged pinion and the rotary hammer,` are mounted on apivot or spindle 29 -of a central longitudinal support 30, which isrigidly secured to the center of the bracket or supporting-bar IOC andwhich is provided at its outer end with a threaded socket 31 for thereception of a screw for securing the outer section of the inner knob tothe support 30. The spindle 29 is rigidly mounted in a perforation ofthe transverse bar or bracket, and the periphery of the outer section ofthe inner knob is spaced from the inner section of the same.

The outer end ofthe shaft et extends through the outer knob and isthreaded for the reception of a head or thumb piece 33, which abutsagainst a sleeve 31 and which is adapted to be rotated to ring the bell.The sleeve 3i is interiorly threaded, and it is adapted to be adjustedlongitudinally of the threaded portion of the shaft, and it forms a stopfor the head or thumb piece It will be seen that the combination doorknob and bell is exceedingly simple and inexpensive in construction,that it is adapted to be readily applied to a door, and that the partsmay be readily separated and assembled.

Vhat I claim is- 1. In a device of the class described, the combinationwith the inner and outer knobs and a hollow spindle connectingr thesame, of a shaft extending through the hollow spindle and projectingentirely through the outer knob and having the threaded outer portion,the exterior rotary thumb-piece 33 having a threaded opening receivingthe threaded portion of the shaft, `the threaded sleeve 3i arranged onthe threaded portion ot' the shaft within the outer knob and extendingthrough the same and abutting against and forming a stop for theexterior thumb-piece, and bellringing mechanism connected with the shaftand operated by the same, substantially as described.

2. In a device of the class described, the combination with inner andouter knobs and a connecting-spindle, of a plate arranged within anddetachably secured to the inner knob, a bracket mounted on the plate andprovided with an opening, a central gear-wheel arranged in the opening,a shaft securedto the central gear-wheel and extending to the outer knoband provided with means for r0- tating it, an eccentrically-arrangedspindle or pivot, a rotary hammer provided with a centrai pinion, aneccentrically-arranged gearwheel meshing with the central pinion andprovided with a pinion meshing with the central gear-wheel, and a bracesupporting the pivot or spindle, substantially as described.

In a device of the class described, the combination of the inner knobcomposed of inner and outer sections, the inner section having itssleeve interiorly threaded, a plate provided with a threaded stemengaging the said sleeve, a bracket mounted on the plate and having anopening, a support secured to the bracket and supporting the outersection of the inner knob and provided with a pivot or spindle, a hammermounted on the pivot or spindle, a gear-wheel arranged in the opening ofthe bracket, gearing connecting the pinion and the said gear-wheel, anda shaft connected with the gear-wheel, substantially as described.

e. In a device of the class described, the combination of lthe inner andouter sections of the inner knob, the plate detachably secured to theinner section, the bracket mounted on the plate, the longitudinalsupport secured at its outerend to the outer section oit the inner knoband provided at its inner end with a pivot centrally secured to thebracket, a rotary ham mer mounted on the pivot, a centrally-arrangedgear-Wheel arranged within the bracket, an eccentrically-arranged pivotor spindle, an eccentricallyarranged gearwheel having a pinion meshingwith the centrallyarranged gear-Wheel, a pinion carried by the hammerand meshing with the eccentrically-arranged gear-wheel, and thetriangular brace mounted on the bracket and supporting the pivot orspindle, substantially as described.

In testimony that I claim the foregoing as my own I have hereto affixedmysignature in the presence of two witnesses.

JOHN WESLEY FREEMAN. Witnesses:

B. C. HILLIARD, 0. J. BLoDGnT'r.

